If the dough is ready, it will hold the shape after poking it. Take the dough out and sprinkle some flour to the dough to prevent stickiness. Punch out the air.
Divide it into 3 pieces. Roll the divided dough into balls.
Cover with a damp towel, and let it rest for 15 minutes.
Divide the red bean paste into 3 portions
Take the mochi out from the fridge and divide it into 3 portions. (Keep the gloves on!)
Take one dough out and sprinkle some flour on it.
Roll it until flatten. Spread the mochi on top. Put the red bean paste on top of the mochi. Roll the dough into a ball shape and seal it well.
Repeat step 7 for the remaining dough.
Cover the dough with a damp towel and let it rise for one hour.
Preheat the oven to 180ºC/356°F.
Transfer the bread to a baking pan (with parchment paper).
Sprinkle some flour on top and cut a cross mark on them.
Bake it in the preheated oven for 15-18 minutes. Make sure the dough is cooked through. And it will be ready to serve.